mutter/src/wayland/meta-wayland-popup.c
Jonas Ådahl 24c3844246 wayland/xdg-shell: Make keyboard focus follow grabbing popup
This is the explicitly intended keyboard focus symantics of xdg-shell
unstable v6. The semantics are undefined in unstable v5.

https://bugzilla.gnome.org/show_bug.cgi?id=769936
2016-08-25 12:19:40 +08:00

293 lines
8.9 KiB
C

/*
* Wayland Support
*
* Copyright (C) 2013 Intel Corporation
* Copyright (C) 2015 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Copyright © 2008 Kristian Høgsberg
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include "config.h"
#include "meta-wayland-popup.h"
#include "meta-wayland-pointer.h"
#include "meta-wayland-private.h"
#include "meta-wayland-surface.h"
G_DEFINE_INTERFACE (MetaWaylandPopupSurface, meta_wayland_popup_surface,
G_TYPE_OBJECT);
struct _MetaWaylandPopupGrab
{
MetaWaylandPointerGrab generic;
struct wl_client *grab_client;
struct wl_list all_popups;
};
struct _MetaWaylandPopup
{
MetaWaylandPopupGrab *grab;
MetaWaylandPopupSurface *popup_surface;
struct wl_list link;
};
static void
meta_wayland_popup_grab_begin (MetaWaylandPopupGrab *grab,
MetaWaylandSurface *surface);
static void
meta_wayland_popup_grab_end (MetaWaylandPopupGrab *grab);
static void
meta_wayland_popup_surface_default_init (MetaWaylandPopupSurfaceInterface *iface)
{
}
static void
meta_wayland_popup_surface_done (MetaWaylandPopupSurface *popup_surface)
{
META_WAYLAND_POPUP_SURFACE_GET_IFACE (popup_surface)->done (popup_surface);
}
static void
meta_wayland_popup_surface_dismiss (MetaWaylandPopupSurface *popup_surface)
{
META_WAYLAND_POPUP_SURFACE_GET_IFACE (popup_surface)->dismiss (popup_surface);
}
static MetaWaylandSurface *
meta_wayland_popup_surface_get_surface (MetaWaylandPopupSurface *popup_surface)
{
return META_WAYLAND_POPUP_SURFACE_GET_IFACE (popup_surface)->get_surface (popup_surface);
}
static void
popup_grab_focus (MetaWaylandPointerGrab *grab,
MetaWaylandSurface *surface)
{
MetaWaylandPopupGrab *popup_grab = (MetaWaylandPopupGrab*)grab;
/* Popup grabs are in owner-events mode (ie, events for the same client
are reported as normal) */
if (surface &&
wl_resource_get_client (surface->resource) == popup_grab->grab_client)
meta_wayland_pointer_set_focus (grab->pointer, surface);
else
meta_wayland_pointer_set_focus (grab->pointer, NULL);
}
static void
popup_grab_motion (MetaWaylandPointerGrab *grab,
const ClutterEvent *event)
{
meta_wayland_pointer_send_motion (grab->pointer, event);
}
static void
popup_grab_button (MetaWaylandPointerGrab *grab,
const ClutterEvent *event)
{
MetaWaylandPointer *pointer = grab->pointer;
if (pointer->focus_surface)
meta_wayland_pointer_send_button (grab->pointer, event);
else if (clutter_event_type (event) == CLUTTER_BUTTON_RELEASE &&
pointer->button_count == 0)
meta_wayland_pointer_end_popup_grab (grab->pointer);
}
static MetaWaylandPointerGrabInterface popup_grab_interface = {
popup_grab_focus,
popup_grab_motion,
popup_grab_button
};
MetaWaylandPopupGrab *
meta_wayland_popup_grab_create (MetaWaylandPointer *pointer,
MetaWaylandPopupSurface *popup_surface)
{
MetaWaylandSurface *surface =
meta_wayland_popup_surface_get_surface (popup_surface);
struct wl_client *client = wl_resource_get_client (surface->resource);
MetaWaylandPopupGrab *grab;
grab = g_slice_new0 (MetaWaylandPopupGrab);
grab->generic.interface = &popup_grab_interface;
grab->generic.pointer = pointer;
grab->grab_client = client;
wl_list_init (&grab->all_popups);
meta_wayland_popup_grab_begin (grab, surface);
return grab;
}
void
meta_wayland_popup_grab_destroy (MetaWaylandPopupGrab *grab)
{
meta_wayland_popup_grab_end (grab);
g_slice_free (MetaWaylandPopupGrab, grab);
}
static void
meta_wayland_popup_grab_begin (MetaWaylandPopupGrab *grab,
MetaWaylandSurface *surface)
{
MetaWaylandPointer *pointer = grab->generic.pointer;
MetaWindow *window = surface->window;
meta_wayland_pointer_start_grab (pointer, (MetaWaylandPointerGrab*)grab);
meta_display_begin_grab_op (window->display,
window->screen,
window,
META_GRAB_OP_WAYLAND_POPUP,
FALSE, /* pointer_already_grabbed */
FALSE, /* frame_action */
1, /* button. XXX? */
0, /* modmask */
meta_display_get_current_time_roundtrip (
window->display),
pointer->grab_x,
pointer->grab_y);
}
void
meta_wayland_popup_grab_end (MetaWaylandPopupGrab *grab)
{
MetaWaylandPopup *popup, *tmp;
g_assert (grab->generic.interface == &popup_grab_interface);
wl_list_for_each_safe (popup, tmp, &grab->all_popups, link)
{
meta_wayland_popup_surface_done (popup->popup_surface);
meta_wayland_popup_destroy (popup);
}
{
MetaDisplay *display = meta_get_display ();
meta_display_end_grab_op (display,
meta_display_get_current_time_roundtrip (display));
}
meta_wayland_pointer_end_grab (grab->generic.pointer);
}
MetaWaylandSurface *
meta_wayland_popup_grab_get_top_popup (MetaWaylandPopupGrab *grab)
{
MetaWaylandPopup *popup;
g_assert (!wl_list_empty (&grab->all_popups));
popup = wl_container_of (grab->all_popups.next, popup, link);
return meta_wayland_popup_surface_get_surface (popup->popup_surface);
}
gboolean
meta_wayland_pointer_grab_is_popup_grab (MetaWaylandPointerGrab *grab)
{
return grab->interface == &popup_grab_interface;
}
void
meta_wayland_popup_destroy (MetaWaylandPopup *popup)
{
meta_wayland_popup_surface_dismiss (popup->popup_surface);
wl_list_remove (&popup->link);
g_slice_free (MetaWaylandPopup, popup);
}
void
meta_wayland_popup_dismiss (MetaWaylandPopup *popup)
{
MetaWaylandPopupGrab *popup_grab = popup->grab;
meta_wayland_popup_destroy (popup);
if (wl_list_empty (&popup_grab->all_popups))
{
meta_wayland_pointer_end_popup_grab (popup_grab->generic.pointer);
}
else
{
MetaWaylandSurface *top_popup_surface;
MetaWaylandSeat *seat;
MetaWaylandKeyboard *keyboard;
top_popup_surface = meta_wayland_popup_grab_get_top_popup (popup_grab);
seat = meta_wayland_pointer_get_seat (popup_grab->generic.pointer);
keyboard = &seat->keyboard;
meta_wayland_keyboard_set_focus (keyboard, top_popup_surface);
}
}
MetaWaylandSurface *
meta_wayland_popup_get_top_popup (MetaWaylandPopup *popup)
{
return meta_wayland_popup_grab_get_top_popup (popup->grab);
}
MetaWaylandPopup *
meta_wayland_popup_create (MetaWaylandPopupSurface *popup_surface,
MetaWaylandPopupGrab *grab)
{
MetaWaylandSurface *surface =
meta_wayland_popup_surface_get_surface (popup_surface);
MetaWaylandPopup *popup;
MetaWaylandSeat *seat;
MetaWaylandKeyboard *keyboard;
/* Don't allow creating popups if the grab has a different client. */
if (grab->grab_client != wl_resource_get_client (surface->resource))
return NULL;
popup = g_slice_new0 (MetaWaylandPopup);
popup->grab = grab;
popup->popup_surface = popup_surface;
wl_list_insert (&grab->all_popups, &popup->link);
seat = meta_wayland_pointer_get_seat (grab->generic.pointer);
keyboard = &seat->keyboard;
meta_wayland_keyboard_set_focus (keyboard, surface);
return popup;
}